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Mobile payment systems want you to swap your wallet for a phone.
Rather than carrying around cash and cards, just tap your phone to pay. Currently, the three most established systems are from Apple, Samsung and Google, although some wearables from brands like Garmin and Fitbit also offer their own payment systems.
So how do Apple Pay, Samsung Pay and Google Pay compare and which one is best?
Apple - Pay - Google - Pay - Use
Apple Pay and Google Pay use NFC, or near-field communication, to power contactless payments. Just tap your phone to a compatible terminal and the transaction is complete.
When you make a transaction with Samsung Pay, you'll see a transaction notification pop up.
Samsung - Pay - NFC - Technology - Secure
Samsung Pay uses NFC and a technology called magnetic secure transmission (MST). When you hold the phone against any terminal, it emits a signal that simulates the magnetic strip on a card.
This means it works with pretty much all terminals, without the merchant having to update their point of sale systems. The one situation where MST won't work is when you need to insert a card into a slot, like at a gas station.
Offline - Payments - Platforms - Number - Transactions
Offline payments are also supported on all three platforms, so you can make a limited number of transactions if you have no cell or Wi-Fi signal.
Mobile payment systems use a method called tokenization to keep card details secure. Once you add your cards to the app, it generates a virtual account number and your real card number is never given to the merchant. When you tap your phone to make a payment, it sends the tokenized card number and a cryptogram that acts like a password. The card network then verifies and processes the payment.
Apple - TouchID - Fingerprint - FaceID - PIN
Apple requires you to authenticate using TouchID (fingerprint), FaceID or PIN before a payment can go through.
Samsung requires an iris scan, fingerprint or PIN to confirm purchases.
(Excerpt) Read more at: CNET
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